FISH-CULTURAL INVESTIGATIONS IN MONTANA AND WYOMING. 
59 
There are a few exceptions to the general rule, notably No. 17572, a small male, which 
should be dark, but is quite light, and No. 17600, a rather large female, which is 
considerably darker than it ought to be. 
Museum 
No. 
Collector’s 
No. 
Locality. 
Bate. 
17574 
17575 
17576 
17577 8 
71 
72 
Aug. 9 
do 
73 
Do. 
Do. 
17579 
68 
July 30 
July 29 
Bo. 
17580 
69 
17581 
70 
17582 
67 
July 31 
July 21 
July 22 
Bo. 
17587 8 
17589 602 
17603-4 
17605 16 
July 27 
Aug. 8 
Aug. 12 
Aug. 13 
17617 24 
17625 
14 
17626-7 
Crawfish Creek, at Moose Falls, National Park, Wyoming. .. 
17628 
26 
17629 
44 
Aug. 17 
17630 
45 
do ’ 
Do. 
17631 
46 
Bo. 
17632 
48 
do 
Do. 
17633 
49 
Do. 
PRESERVATION OF FORESTS IN AND ABOUT YELLOWSTONE PARK. 
According to Dr. Hayden, the Yellowstone Park region has a climate differing in 
many respects from that of other parts of the Rocky Mountain region. It has a very 
moist atmosphere, the rainfall is greater, its mean annual temperature is lower, and it 
is better clothed with vegetation. This region and the adjacent portions of Idaho and 
Wyoming constitute the most heavily timbered area in the West, excepting parts of 
Oregon and Washington west of the Cascade Range. The climate is, as regards tem- 
perature, subarctic. The winter begins with September and ends only in June, and 
frosts occur every month in the year. 
On the morning of August 8, at our camp on Beaver Lake, the thermometer stood 
at 29° at 8 o’clock. At Two-Ocean Pass the temperature was 33° at 0:30 a. m., 
August 18, and nearly every night, during the time of our stay in and about the Park, 
the temperature was down to freezing. 
According to Mr. Hague, “few regions in the Rocky Mountains are so highly 
favored as regards snow and rain fall. Snow falls early in October and rarely disap- 
pears before June, and throughout the winter is said to lie 0 feet in depth over the 
plateau and higher regions of the Park. On the evening of October 9 a storm began 
and continued without abatement for thirty-six hours, the snowfall measuring 30 inches. 
The Park is peculiarly well adapted for holding broad sheets of water. In conse- 
quence, we find here such bodies of water as the Yellowstone, Shoshone, Heart, and 
Lewis lakes, besides innumerable smaller ones. These lakes are the natural reser- 
voirs for storing up the water supply. The Yellowstone Lake alone has an area of 150 
[139J square miles,” and the others no doubt double this area. From these numerous 
lakes the water is gradually fed out to the upper tributaries of the Missouri and the 
Columbia during the season of little rain. 
